Dim ls_File
Set objArgs = WScript.Arguments'命令行参数

if objArgs.Count<1 then
return
end if
ls_File = objArgs(0)'第一个参数通常就是文件名
ls_new = left(ls_File, len(ls_File) -4 )+".pdf"

Set pptApp = CreateObject("PowerPoint.Application") '申明调用函数
pptApp.Visible = True '在使用PowerPoint时,一定要有此句，否则会出错

Set MyPress = pptApp.Presentations.Open( ls_file) 'Presentation 对象
MyPress.Saveas ls_new,32
pptApp.Quit